Home / 20,160,989.70-30,241,484.55-6,697,817.70

Finding the Fourth Proportional to 20,160,989.70, 30,241,484.55 and 6,697,817.70

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Solution

The fourth proportional to 20,160,989.70, 30,241,484.55 and 6,697,817.70 is: 10,046,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,989.70 : 30,241,484.55 = 6,697,817.70 : x
  2. Step 2: Convert to fraction form
    20,160,989.70/30,241,484.55 = 6,697,817.70/x
  3. Step 3: Cross multiply
    20,160,989.70x = 30,241,484.55 × 6,697,817.70
  4. Step 4: Simplify right side
    20,160,989.70x = 202,551,950,493,266.53
  5. Step 5: Solve for x
    x = 202,551,950,493,266.53/20,160,989.70
  6. Step 6: Final answer
    x = 10,046,726.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.